Ticker · CUSIP 812215200
Holders (tracked)
5
Combined shares
5,174,393
Combined value
$101.86M
Last close
$22.44
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 6.
Price is +14.0% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
7 events
- T. Rowe Price added2026-02-17+4,700 shares · 2025Q413F
- +11,563 shares · 2025Q413F
- +79,940 shares · 2025Q413F
- Renaissance Technologies opened position2026-02-12+36,800 shares · 2025Q413F
- T. Rowe Price added2025-11-14+1,600 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−13,312 shares · 2025Q313F
- Norges Bank (Norway SWF) opened position2025-11-12+15,256 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of SEG…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2024Q3 | $0.02 | +92098.2% | $501K |
| Ken Griffin (Citadel Advisors) | 2024Q3 | $19.72 | +13.8% | $1.8M |
| Izzy Englander (Millennium Mgmt) | 2024Q3 | $22.64 | -0.9% | $259K |
| Bill Ackman (Pershing Square) | 2024Q3 | $23.95 | -6.3% | $112.7M |
| Renaissance Technologies | 2024Q4 | $27.95 | -19.7% | $826K |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions3
- Ken Griffin (Citadel Advisors)+79,940$1.6M
- Renaissance Technologies+36,800$728K
- Izzy Englander (Millennium Mgmt)+11,563$229K
Added to1
- T. Rowe Price+4,700$93
Trimmed0
—
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2024Q3 | 8 | $65.5M |
| 2024Q4 | 6 | $9.3M |
| 2025Q1 | 7 | $113.0M |
| 2025Q2 | 4 | $94.7M |
| 2025Q3 | 3 | $115.4M |
| 2025Q4 | 5 | $101.9M |
Who owns SEG
5 super-investors · 2025Q4
Tracked stake
5.17M
shares
Combined value
$102M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added1Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Bill Ackman Pershing Square | 5.02M | $99M |
| 2 | Ken Griffin Citadel Advisors | 79.9K | $2M |
| 3 | Renaissance Technologies | 36.8K | $728K |
| 4 | Izzy Englander Millennium Mgmt | 11.6K | $229K |
| 5 | T. Rowe Price | 22.3K | $442 |
Recent moves
20 transactions
- +79,940 · 2025Q4
- +11,563 · 2025Q4
- +4,700 · 2025Q4
- +36,800 · 2025Q4
- +1,600 · 2025Q3
- −13,312 · 2025Q3
- +15,256 · 2024Q3
- −49,088 · 2025Q2
- +1,019 · 2025Q2
- −125,230 · 2025Q2
- +13,312 · 2025Q2
- +39,528 · 2025Q1
- +5,023,780 · 2025Q1
- −72,060 · 2025Q1
- −95,421 · 2025Q1
- +3,307 · 2025Q1
- −13,312 · 2025Q1
- −2,094,673 · 2024Q4
- +4,399 · 2024Q4
- +1,082 · 2024Q4
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